private static FormulaElement ConvertAsFormulaElement(TypeTree expr, int size)
{
return(expr.ProcessCalculate(
(op, e1, e2) =>
{
if (op.op == '/')
{
return new FormulaToken(new FractionElement(e1.ToFormulaElement(), e2.ToFormulaElement()));
}
else if (op.op == '^')
{
return new FormulaToken(new PowerElement(e1.ToFormulaElement(), e2.ToFormulaElement()));
}
else
{
if (e1.priority != -1 && e1.priority < op.priority)
{
e1.PutBracket();
}
if (e2.priority != -1 && (e2.priority < op.priority || (e2.priority == op.priority && op.op == '-')))
{
e2.PutBracket();
}
string opText = op.ToString();
if (op.op == '*')
{
if (e1.IsType(typeof(MatrixElement)) && e2.IsType(typeof(MatrixElement)))
{
opText = "×";
}
else
{
opText = "·";
}
}
return new FormulaToken(op.priority, e1, e2, new TextElement(opText, size));
}
},
(node) =>
{
return new FormulaToken(CreateFormulaElement(node, size));
}).ToFormulaElement());
}
